What do biologists believe is to blame for the decrease in the amount of fish in the Columbia River? Question 3 options:

Pollution, a breach, and spawning

Fish hatcheries, fish ladders, and fishing

Fish hatcheries, pollution, and dams

Dams, a breach, and pollution

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Apolygon is shown on the graph: a polygon is shown on the coordinate plane. vertices are located at 3 comma 5, 1 comma 3, 1 comma 1, 2 comma 0, 4 comma 0, 5 comma 1, and 5 comma 3. what effect will a translation 3 units down and 2 units left have on the polygon? be sure to address how it could impact the angles, side lengths, and congruency between the original pre-image and the image. xd i need

What is the value of x enter your answer in the box (3x+50